Evaporator



(Mme!) J. A. W'ARNBR.

Evaporator.

No. 240,62 Patented AWN-26,1881.

ATTORNEYS;

N.PETERs, PHOTO-UTHOGRAPHER, wAsHmmml. n. C

JOHN A. WARNER, OF FURNAOEVILLE, NEW YORK.

I l EVAPORATOR.

To all whom it may concern: tor shape, each tray Gr having a stud or spin- Be it known that I, JOHN A. WARNER, of dle, c, projecting in ahorizontal plane from its Furnaceville, in the county of Wayne and smaller end, on which stud or spindle c is a State of New York, have invented a new and verticallyrevolving roller, d. Improved Evaporator, of which the following It is designed to slowly revolve the shaftD 1s a specification. and attached arms E F by means of suitable The object of this invention is to provide an gear or other devices, which may be connected improved device for drying fruit and vegetaeither with the top or bottom of the said shaft '1 bles and evaporating liquids. D. The shaft D being put in motion, the trays 10 The invention consists of two upright fixed G G- are introduced, one at a time, into the cylinders placed concentrically one within the cylinder B,'through its opening], near its botother, the outer cylinder having rollers fixed tom, said trays G being arranged with their on its inner face in such a position as to form broader ends resting on two or more of the a disconnected spiral track for the outer ends rollers B, while the roller d of each tray G r 5 of the evaporating-trays, and the inner cylinrests on the spiral track 0 of the cylinder 0. der being provided around its outer face with As the shaft D revolves the arms F push the a continuous spiral for the inner ends of the trays G, as the latter are introduced through evaporating-trays. t e opening f, spirally upward to the top of Figure 1, is a sectional elevation of the dethe cylinder B, whence they are withdrawn, 2o vice. Fig. 2 is a top view of the cylinders the speed of the shaft D being made fast or with brace removed. slow, according to the time required for the Similar letters of reference indicate correexposure of a tray, E, and its contents to the sponding parts. air. passing up through said cylinder B.

In the drawings, A indicates the inclosing- It will be seen that by this arrangement 2 5 furnace or hot-air chamber containing the imby moving the trays E upward in a spirala proved evaporator. much longer exposure of the trays and their represents the outer cylinder, supported contents to the heated air of the inclosingin an upright position in and upon the hot-air cylinder can be had than if said trays were chamber A, and having, preferably, a concave raised at the same speed in a vertical plane,

0 bottom for the purpose of strength, and havas in ordinary evaporators. 8o ing its top fully open for thewithdrawal of Having thus fully described my invention, the trays and for the escape of the moisture I claim as new and desire to secure by Letevaporated from the contents of said trays. ters Patent Said cylinder B has secured on its inner face 1. An improved evaporator, constructedsub- 5 rollers B, arranged in such a manner as to stantially as herein shown and described, conform spirals from bottom to top thereof. sistin g of outer and inner cylinders, B 0, pro- 0 represents the inner cylinder, fixed cen- -vided with spirally-arranged rollers B and trally in an upright position in the cylinder B, spiral track 0, respectively, and shaft D, proand provided around its outer face with a convided with arms E F, substantially as herein 4o tinuous spiral track, 0. set forth.

represents the vertical shaft extending 2. The combination, with the outer cylinder, through the cylinder 0, and having a lower B, provided with spirally-arranged rollers B, bearing, at a, in the botton of the cylinder B, and" inner cylinder, 0, provided with spiral and an upper hearing, I), in a brace, D, that track 0, of the trays G, provided with attached 5 extends across the top of the cylinder B. rollers at, substantially as herein shown and 9 5 Securely fixed upon the shaft D, above and described. below the cylinder 0, are the radial arms E E; JOHN ALBRIGHT WARNER. and F are the upright arms connectin g the up- Witnesses: per with the lower arms, E, in pairs. CHARLES H. LAKE,

50 G G represent the evaporating-trays, of sec- J N0. H. TEATs. 

